Whakaoti mō x
x=-\frac{4y}{5}+54.382
Whakaoti mō y
y=-\frac{5x}{4}+67.9775
Graph
Tohaina
Kua tāruatia ki te papatopenga
25x=1359.55-20y
Tangohia te 20y mai i ngā taha e rua.
\frac{25x}{25}=\frac{1359.55-20y}{25}
Whakawehea ngā taha e rua ki te 25.
x=\frac{1359.55-20y}{25}
Mā te whakawehe ki te 25 ka wetekia te whakareanga ki te 25.
x=-\frac{4y}{5}+\frac{27191}{500}
Whakawehe 1359.55-20y ki te 25.
20y=1359.55-25x
Tangohia te 25x mai i ngā taha e rua.
\frac{20y}{20}=\frac{1359.55-25x}{20}
Whakawehea ngā taha e rua ki te 20.
y=\frac{1359.55-25x}{20}
Mā te whakawehe ki te 20 ka wetekia te whakareanga ki te 20.
y=-\frac{5x}{4}+\frac{27191}{400}
Whakawehe 1359.55-25x ki te 20.
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